Amie's Aromatherapy Encyclopedia
An aromatherapy dictionary, essential oil blends, tips for beginners, and an "ask the aromatherapist" section.
http://aromatherapyencyclopedia.blogspot.com/

Aromacaring
Information about using aromatherapy with those who have terminal illness, special needs, learning disabilities, and challenging behavior.
http://www.aromacaring.co.uk

Aromamedical
Medical Herbalist Martin Watt provides an aromatic extract safety manual and articles about conservation, education, toxicity, therapeutics, and production.
http://www.aromamedical.com

Aromatherapy
Australian site offering information on the sense of smell, how aromatherapy works, essential and carrier oils, some blending recipes, and safety information.
http://www.angelfire.com/ms/OzConnection/Aromatherapy.html

Aromatherapy At Home
Information for those just starting to explore aromatherapy for personal use, including essential oil profiles, recipes, and tips.
http://aromatherapyathome.tripod.com

Aromatherapy Global Online Research Archives (AGORA)
Volunteer-contributed articles on topics such as history, case studies, distillation, massage, essential oil quality, and safety.
http://users.erols.com/sisakson/pages/agoindex.htm

Aromatherapy Recipes
Recipes and blends for baths, face care, foot care, and massage.
http://www.geocities.com/Athens/Sparta/5725/

Aromatherapy Spot
Includes articles about essential and carrier oils, diffusers, and oil burners.
http://www.aromatherapy-spot.com

AromaWeb
Provides articles, recipes, synergies, essential oil profiles, book reviews, and aromatherapist and business listings.
http://www.aromaweb.com/

Cosmic Aromatherapy
Offers blending formulas for health and beauty, smudge blends, recipes, and remedies for healing.
http://cosmicaromatherapy.tripod.com/

Essential Oil Recipes
Includes blends for perfumes, body scrubs, and diffusing, as well as profiles for some commonly used essential oils.
http://www.essential-oil-recipes.com/

FDA/CFSAN Cosmetics--Aromatherapy
Statement from the FDA regarding government regulation of essential oils and aromatherapy products and claims made about such products.
http://vm.cfsan.fda.gov/~dms/cos-826.html

The Guide to Aromatherapy
Descriptions of essential oils and carrier oils, a reading list, symptom guide, precautions, and glossary.
http://theguidetoaromatherapy.com/

Holisticonline.com - Aromatherapy
Information on clinical studies, history, how it works, safety issues, and an essential oil directory.
http://www.holisticonline.com/Aromatherapy/hol_aroma.htm

Michel Vanhove Aromatherapy Pages
Multilingual site with information about distillation, history, oil properties, and chemistry.
http://www.nature-helps.com/

Positive Health
Provides contributed articles about topics such as hydrosols, essential oil quality, energetics, and healing.
http://www.positivehealth.com/permit/Articles/Aromatherapy/Aromatherapy.htm

Samantha's Aromatherapy Workshop
A resource aimed at beginners, with history, recipes, oil properties, and precautions.
http://www.geocities.com/sam_chatterbox/aromaindex.html

Taking Charge Of Your Health: Aromatherapy
Information provided by the University of Minnesota’s Center for Spirituality and Healing. Includes articles about how essential oils work, research, safety, and finding an aromatherapist.
http://takingcharge.csh.umn.edu/therapies/aromatherapy

Therapy Essence
Information for aromatherapists and students, including essential oil profiles, recipes, and articles. Oils, beauty, and well-being areas are searchable by sub-topic.
http://www.therapyessence.com

Tony Burfield's Aroma Pages
Provides information about production of essential oils, articles addressing misconceptions about aromatherapy, book reviews, courses, workshops, projects, and consultant services.
http://www.users.globalnet.co.uk/~nodice/

Wavelengths Natural Health
Provides articles, health and research databases, product reviews, essential oil profiles, and links.
http://www.wlnaturalhealth.com

A World of Aromatherapy
Information on essential oils, their properties, uses in the treatment of illness, and common recipes for use in the bath, or with massage.
http://www.aworldofaromatherapy.com/

YinEssence.Com
Dr. Khan discusses the uses of essential oils and herbs for conditions such as fibromyalgia, Lyme disease, autoimmune diseases, and stress.
http://www.yinessence.com